Connection & Installation; Camera Wiring Interface Board - Samsung SCP-3371/SCP-3371H User Manual

connection & installation

CAMERA WIRING INTERFACE BOARD

For the camera wiring, please refer to the picture below.
(When using coaxial communication, a separate control signal connection is not required.)
IN8
Alarm
IN7
Input
GND
5~8
IN6
IN5
Communications and Alarm/AUX
3.COM 3.NO
RX RX
Refer to the below Control
Signal Connection chart
Control Signal Connection
• RS485 Communications
Camera
RX+
RX-
• RS422 Communications
Camera
RX+
RX-
TX+
TX-
M

The max capacity of the Alarm OUT/AUX OUT ports are 30VDC/2A, 125VAC/0.5A, and 250VAC/0.25A, respectively.

Connecting the power connector and GND incorrectly to the NC/NO and COM ports may cause a short circuit and fi re,
damaging the camera.
14_ connection & installation
Alarm/
AUX
Output 3
Controller
or DVR
TXD+
TXD-
Controller
or DVR
TXD+
TXD-
RXD+
RXD-
Alarm/AUX
2.NC
2.NO
2.COM
IN4
Power Supply
FG
AC24V 2.5A
After connecting the power cable by
separating the power connector from the
terminal, make the connection between
terminal and connector by using a bolt.
Alarm/
AUX Output 2
Alarm/
AUX Output 1
Alarm Input
1~4
Power Input
Ground